#include <iostream>

using namespace std;
void fcn3()
{
    size_t v1 = 42;
    int v2 = 9;
    auto f = [=]() mutable
    { int vr = v1 + v2; 
        return vr; };
    v1 = 0;
    auto j = f();
    cout << j << endl;
}

int main()
{
    fcn3();
    return 0;
}
